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A017843 Expansion of 1/(1-x^5-x^6-x^7-x^8-x^9-x^10-x^11-x^12). 1
1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 3, 4, 4, 5, 7, 10, 14, 17, 21, 27, 36, 49, 64, 82, 105, 137, 181, 238, 310, 401, 521, 681, 892, 1166, 1518, 1975, 2574, 3361, 4390, 5727, 7464, 9728, 12688, 16557, 21603, 28175 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,11

COMMENTS

Number of compositions (ordered partitions) of n into parts 5, 6, 7, 8, 9, 10, 11 and 12. - Ilya Gutkovskiy, May 25 2017

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1,1,1,1,1,1,1,1).

MATHEMATICA

With[{fx=1/(1-Total[x^Range[5, 12]])}, CoefficientList[Series[fx, {x, 0, 50}], x]] (* Harvey P. Dale, May 26 2012 *)

PROG

(PARI) Vec(1/(1-x^5-x^6-x^7-x^8-x^9-x^10-x^11-x^12)+O(x^99)) \\ Charles R Greathouse IV, Sep 26 2012

CROSSREFS

Sequence in context: A226429 A036820 A017829 * A036815 A036807 A036808

Adjacent sequences:  A017840 A017841 A017842 * A017844 A017845 A017846

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 23 19:37 EDT 2019. Contains 328373 sequences. (Running on oeis4.)